American Truck Simulator 139 Download Full May 2026

Version 1.39 marked the beginning of the massive "Lighting Visual Overhaul." SCS Software had been working on a new rendering system to improve how light interacts with the environment. In this update, the state of Oregon was the first to receive this treatment.

This is the true reason many veteran players want the version 1.39 download full. The modding scene during 1.39 was a golden age. Here are the must-have mods that only work perfectly with 1.39:

Note: These mods will crash version 1.48+. Keeping a full copy of 1.39 allows you to preserve these mods forever.

In the lifecycle of a live-service game, updates usually bring new map DLCs or trucks. However, version 1.39, released in late 2020, was fundamentally an "under-the-hood" update. It was the bridge between the older engine architecture and the next generation of simulation technology that SCS Software was building toward.

For many players, version 1.39 is remembered as the moment the game’s lighting system and world atmosphere changed forever. It laid the groundwork for the visual fidelity we see in current versions of the game.

Yes, Steam allows you to download the full 1.39 version legally. Here is the step-by-step:

Best for: Compatibility with old mods, nostalgic gameplay, or low-end PCs.

Before we dive deeper, let’s decode the search intent.

Important Note: SCS Software continuously updates American Truck Simulator (ATS). As of 2025, the game is on versions 1.48, 1.49, or higher. Version 1.39 is legacy content. Consequently, you will not find this version on Steam by default (Steam auto-updates to the latest version). To get the full 1.39 experience, you have specific options which we will cover in the safety and legality section below.

Yes, but only for specific users.

Do not fall for scam websites promising a "free american truck simulator 139 download full cracked." The Steam Beta system is your one-stop shop for legal, safe, and complete access to this classic version of one of the best driving simulators on PC.

Now, start your engine, adjust your mirrors, and enjoy the Rocky Mountain high—in full 1.39 glory.

Liked this guide? Share it with your trucking convoy. Have a specific mod not working? Drop a comment below, and we’ll help you debug the old 1.39 logs.

Drive safe, and keep the shiny side up.

American Truck Simulator (ATS) version 1.39 was a significant milestone in the evolution of the trucking sim, introduced by SCS Software in late 2020. This update moved the game beyond basic driving mechanics, focusing on a major overhaul of ambient sound, trailer ownership, and UI improvements. Core Features of Version 1.39

Launchpad Redesign: A revamped start screen allowed players to adjust graphics and control settings before loading into the game world.

Lowboy Trailer Overhaul: New wooden and aluminum lowboy trailers were added, with extensive customization options including dual and triple axes, mudflaps, and flags.

Viewpoints & Rest Areas: New interactive "viewpoints" were introduced in DLC areas like Idaho and Utah, offering cinematic views and refreshed rest zones for drivers.

FMOD Sound Engine Integration: This update continued the refinement of the FMOD sound system, introducing more realistic engine sounds and better spatial audio. How to Access ATS 1.39

While the game has since progressed to version 1.58 (featuring the Route 66 rework and Driving Academy), many players still seek version 1.39 for specific mod compatibility. Official Download Method

The only secure way to "download full" versions of ATS is through the Steam Client. Purchase the Game: You must own a valid license on Steam.

Access Beta Branches: Right-click ATS in your Library > Properties > Betas.

Select Version: Use the dropdown menu to choose "temporary_1_39 - 1.39.x for incompatible mods."

Wait for Download: Steam will automatically roll back your files to version 1.39. System Requirements

To run ATS effectively, your PC should meet these standard benchmarks: Memory: At least 8 GB RAM. Graphics: NVIDIA GeForce GTX 660 or AMD Radeon RX 460. Storage: 25 GB available space for the base game. Modding and Community Content

The 1.39 community is active in creating custom content, from realistic weather to specialized vehicle packs.

Custom Maps: Many players use 1.39 to run older versions of map expansions like ProMods or regional Mexico maps.

Sound Mods: "Realistic Brutal Weather" and AI traffic packs by creators like Jazzycat are often tailored to specific engine versions like 1.39.

Save Games: Ready-to-use profile saves are available that unlock all levels and money for players who don't want to start from scratch.

If you are looking for specific mod links for version 1.39 or need help troubleshooting a Steam rollback, let me know. I can also help you compare 1.39 to the latest 1.58 features if you're deciding which version to play. american truck simulator 139 download full

For a full download of American Truck Simulator (ATS) version 1.39 , the most secure and official method is through the

platform. While this specific version was originally released in November 2020, players often revert to it for compatibility with older mods. Official Download & Rollback Guide

If you already own the game on Steam, you do not need to "download" a separate file; you can simply switch your game version using the Open Steam Library : Right-click on American Truck Simulator in your game list. Access Properties Properties from the menu. Navigate to Betas : Click the tab on the left side of the window. Select Version 1.39

: From the dropdown menu titled "Beta Participation," look for an entry like temporary_1.39 - 1.39 for incompatible mods Automatic Update

: Once selected, Steam will automatically download the necessary files to "downgrade" your game to version 1.39. Key Features of Version 1.39

If you are looking for this version specifically, these were its major additions: Lowboy Trailers

: A complete rework of ownable lowboy trailers, allowing for deep customization in the upgrade shop. Launchpad Redesign

: A significant UI overhaul for the initial game launcher, introducing easier access to the Mod Manager and Game Options. New Viewpoints

: Added scenic "cutscenes" at landmarks in the Washington and Utah DLC areas. Sound Improvements

: Introduced a Turbo sound slider and better cabin spatial mixing. Purchasing the Full Game

If you do not yet own the "full" game, you can purchase it at the following official and reputable retailers: Reverting american truck simulator to older version 16 Sept 2025 —

The American Truck Simulator (ATS) 1.39 update was a major milestone for SCS Software, introducing critical features like ownable lowboy trailers and a completely redesigned launchpad. While newer versions of the game are now available on Steam, many players still look for the 1.39 "full version" to maintain compatibility with specific mods or to run the game on older hardware. Key Features of the 1.39 Update

Released in late 2020, version 1.39 focused heavily on customization and UI improvements.

Ownable Lowboy Trailers: Players gained the ability to purchase, customize, and haul cargo using their own lowboy trailers, including articulated variants.

Launchpad Redesign: The initial screen when starting the game was overhauled for a cleaner look and better mod management.

Sound Improvements: This version introduced the "Turbo Slider" in the options menu, allowing players to adjust the intensity of the turbo whistle—a direct response to community feedback.

New Viewpoints: Cinematic "Viewpoints" were added to the Washington and Utah DLC regions, rewarding exploration with cutscenes. System Requirements for ATS 1.39

Because the game engine has evolved, version 1.39 is generally lighter than the most recent updates (like 1.50+), making it a good choice for mid-range PCs.

The Open Road Awaits

It was a sunny day in California when Jack Harris first laid eyes on his dream truck. A Peterbilt 389, sleek and powerful, with a shiny red coat and a chrome grille that sparkled like diamonds. Jack had always been fascinated by the trucking industry, and after years of working as a mechanic, he finally saved up enough to buy his own rig.

As he drove off the dealership's lot, Jack felt a rush of excitement. He had just downloaded the full version of American Truck Simulator 1.39, and he was eager to try out his new truck in the virtual world. The game had promised an immersive experience, with realistic graphics and authentic truck handling.

Jack booted up his computer and launched the game. The familiar ATS interface greeted him, and he quickly created a new profile. He chose his Peterbilt 389 as his truck and hit the road, feeling a thrill as the engine roared to life.

His first delivery was to Los Angeles, a relatively short haul from his starting point in San Francisco. Jack navigated through the crowded streets, getting a feel for the truck's handling and brakes. The game was incredibly realistic, and he found himself shifting gears and adjusting his mirrors just like he would in real life.

As he cruised down I-5, Jack marveled at the stunning scenery. The sun-kissed hills and beaches of California gave way to the Mojave Desert, with its towering rock formations and vast expanses of sand. He stopped at a virtual truck stop to refuel and grab a bite to eat, chatting with the game's NPCs (non-player characters) as he filled up his tank.

The hours flew by, and before long, Jack was pulling into the Los Angeles docks, his cargo secure and his truck in pristine condition. He collected his payment and received a glowing review from his dispatcher, which boosted his reputation and earning potential.

Over the next few weeks, Jack completed delivery after delivery, expanding his route network and upgrading his truck with better engines, suspension, and accessories. He explored the entire West Coast, from the sun-drenched beaches of San Diego to the rugged mountains of Oregon.

As his trucking empire grew, Jack started to attract attention from other players online. They admired his impeccable driving skills and his immaculately maintained truck. He joined a convoy with some friends, and together they tackled long-haul routes across the country.

Their camaraderie and teamwork helped them overcome challenges like inclement weather, traffic jams, and mechanical issues. Jack learned new strategies and techniques from his fellow players, and his skills improved dramatically.

One evening, as Jack was driving through a particularly picturesque stretch of road, he received a message from the game's developer, announcing a major update to ATS 1.39. The patch included new features, improved graphics, and additional trucks. Jack couldn't wait to try out the updates and see how they enhanced his gaming experience. Version 1

The update went live, and Jack booted up the game once more. The changes were stunning – the lighting effects were more realistic, the traffic patterns more complex, and the handling even more authentic. Jack grinned, feeling grateful for the immersive experience ATS had provided.

With his trusty Peterbilt 389 by his side, Jack continued to explore the vast expanses of America, delivering cargo and building a reputation as one of the best truckers in the virtual world.

The open road awaited, and Jack was ready to take on the next adventure.

It looks like you're looking for a write-up (like a blog post, software description, or forum post) for "American Truck Simulator" version 1.39 — often searched as a full download.

However, I must start with an important note: SCS Software, the developer of American Truck Simulator, does not offer official "free full downloads" of the latest versions outside of legitimate stores (Steam). Downloading cracked or pirated copies of version 1.39 from third-party sites is unsafe (malware risk) and violates copyright laws.

Instead, below is a clean, informative, and SEO-friendly write-up that explains what ATS 1.39 offers and how to get it legitimately. This can be used for a gaming blog, update log, or tutorial.

This is the critical section. When searching for outdated versions, you are walking into a minefield of fake downloads, malware, and cracked executables.

Headline: American Truck Simulator 1.39 Download Full Version – New Roads, Sound Improvements, and More

Introduction Since its launch, American Truck Simulator (ATS) has continued to evolve. Version 1.39 is a landmark update that brought significant free content to all owners of the base game. While some online searches may look for a “full download” of version 1.39, it’s important to know that this update is available automatically and for free to legitimate owners via Steam. Here’s everything included in this massive patch.

Key Features of ATS Version 1.39

How to Get the Full Version of American Truck Simulator 1.39

Since ATS is a Steam-only game, there is no separate “full download” installer. Follow these steps:

Is There a “Free Full Download” of ATS 1.39? Legally, no. Any website offering a standalone 1.39 full game installer is distributing a pirated copy. These often contain trojans, keyloggers, or bitcoin miners. Save yourself the risk and buy the game – it’s frequently under $10.

Why 1.39 Still Matters Even though ATS is now on version 1.54+, many modders keep 1.39 versions of their maps and trucks. This update struck a perfect balance between stability and new features before later lighting and convoy updates changed system requirements.

Final Verdict American Truck Simulator 1.39 represents the game at a peak of performance and content richness. For new players, buying the current Steam version gives you everything in 1.39 plus years of free updates. For modders and retro enthusiasts, the Steam beta branch is the safe, official way to download and play the full 1.39 version.

Call to Action:
Ready to hit the road? Grab American Truck Simulator on Steam, opt into the 1.39 beta, and start hauling from Los Angeles to Denver today!

To download and install American Truck Simulator (ATS) version 1.39

, you should use the official Steam platform. Version 1.39 was a major update released in late 2020 that introduced the Launchpad and a complete overhaul of the Calais area. How to Access Version 1.39

If you need version 1.39 specifically (usually for mod compatibility), Steam allows you to "roll back" your game version:

Open Steam: Go to your Library and right-click on American Truck Simulator. Properties: Select Properties from the dropdown menu. Betas Tab: Click on the Betas tab on the left-hand side.

Select Version: Under the "Beta Participation" dropdown, look for temporary_1_39 - 1.39.x for incompatible mods.

Download: Steam will automatically begin downloading the files for version 1.39. Why use Version 1.39?

Mod Compatibility: Many older map mods or truck skins were built specifically for the 1.39 engine and may crash on newer versions.

Low-End PC Stability: Some users find older versions run more smoothly on older hardware before more intensive lighting updates were added in later patches. Safety Warning

Avoid "full game" download links from third-party sites. These are often pirated versions that lack official SCS Software support, cannot access the Steam Workshop, and frequently contain malware. Purchasing the game via the Official ATS Website or Steam ensures you get the latest security patches and DLC support.

The American Dream on Wheels: A Deep Dive into American Truck Simulator

In the realm of simulation games, few titles have captured the essence of the American work ethic and the allure of the open road as effectively as American Truck Simulator. Developed by SCS Software, this game has become a staple for fans of the genre, offering a unique blend of realism, strategy, and exploration. With its recent surge in popularity, culminating in a notable 139 download milestone, it's clear that the game's appeal extends far beyond its niche audience. Let's take a deep dive into what makes American Truck Simulator a standout title and why it has resonated with so many players. Note: These mods will crash version 1

A Game of Realism and Detail

American Truck Simulator is set in the United States, offering players the chance to explore a vast and varied landscape that spans from the bustling cities of California to the scenic beauty of the Rocky Mountains and the historical landmarks of the East Coast. The game's map, while fictional, is meticulously crafted to mimic the real-world geography, highways, and landmarks, providing an immersive experience that is both educational and entertaining.

The game's attention to detail extends to the trucks themselves. With a wide range of models from major manufacturers like Peterbilt, Kenworth, and Freightliner, players can customize their vehicles to suit their preferences, from the exterior paint job to the interior accessories. This level of customization not only adds a personal touch to the gameplay but also enhances the sense of ownership and pride in one's virtual truck.

The Allure of the Open Road

At its core, American Truck Simulator is a game about freedom and exploration. The open road beckons, and with it, the promise of new adventures, challenges, and experiences. Players can choose from a variety of cargo types, each with its own set of challenges and rewards. Whether it's transporting oversized loads through narrow city streets or hauling goods across the country, every journey is a test of strategy, skill, and endurance.

The game's dynamic weather system and day-night cycles add an extra layer of complexity to the gameplay. Weather conditions can significantly impact driving conditions, making some routes more challenging than others. For example, driving through a thunderstorm in the Midwest or navigating through a dense fog on the East Coast can be as thrilling as it is demanding.

A Community of Enthusiasts

The surge in downloads, including the notable 139 download full version milestone, speaks to the game's growing popularity and the strong community that has formed around it. Players share tips, mods, and stories of their adventures on social media, forums, and YouTube. The game's modding community is particularly active, with thousands of user-created mods that can add everything from new trucks and trailers to entirely new maps and gameplay mechanics.

This community aspect is crucial to the game's enduring appeal. It's not just about driving trucks from point A to point B; it's about sharing those experiences with others, learning from them, and being part of a larger narrative. Whether it's a particularly challenging route, a beautiful scenic drive, or a novel mod, players are constantly finding new ways to engage with the game and each other.

Conclusion

American Truck Simulator is more than just a game; it's a journey across America, a test of skill and strategy, and a community-driven experience. Its appeal lies in its unique blend of realism, exploration, and customization, making it a standout title in the simulation genre. The recent milestone of 139 downloads of the full version is a testament to the game's enduring popularity and the strong, engaged community that has formed around it. As players continue to explore the vast landscapes of America, haul goods across the country, and share their experiences with others, American Truck Simulator remains a compelling and rewarding experience that captures the essence of the American dream on wheels.

Update 1.39 for American Truck Simulator (ATS) , released in November 2020 , was a landmark patch that introduced the Freightliner Cascadia and redesigned the game's launchpad. SCS Software's blog

While it is no longer the latest version of the game—as of April 2026, the game is in version 1.59 Open Beta

—it remains a popular milestone for players using older mods or seeking specific legacy features. Truck Simulator Wiki Key Features of Update 1.39

The 1.39 update focused on modernization and vehicle variety: New Truck: Freightliner Cascadia®

was added to the official roster, available at in-game dealerships. Launchpad Redesign:

A massive overhaul of the initial loading screen, integrating the Mod Manager Game Options directly into the launchpad for easier access. Ownable Lowboy Trailers:

Players gained the ability to purchase and customize lowboy trailers, which are essential for Special Transport and heavy cargo jobs. Sound & Mechanical Improvements:

Introduced experimental transmission input shaft emulation and clutch brake support, along with refined interior cabin sound mixing. SCS Software's blog How to Download Version 1.39 If you own the game on

, you can revert to version 1.39 through the built-in versioning system: Steam Library Right-click on American Truck Simulator and select Properties Navigate to the In the dropdown menu, select temporary_1_39 - 1.39.x for incompatible mods

Steam will automatically download the files for that specific version. Comparison: 1.39 vs. Latest (1.59) Version 1.39 (2020) Version 1.59 (2026) Newest Feature Freightliner Cascadia "Tow to Road" service & Traffic Sound Rework Original Launchpad Redesign Redesigned Skills UX & New Finance/Damage Widgets Reworked Lowboys Thermo King Refrigeration Units State DLCs Colorado (New at the time) Illinois & Route 66 Rework Official Resources Read the original announcement on the SCS Software Blog View the full changelog at The Truck Simulator Wiki Check real-time patch notes and build histories on specific mods

require version 1.39, or are you looking for a guide on how to install the Colorado DLC that launched alongside it? ATS 1.39 Update Release

American Truck Simulator (ATS) version 1.39, released on November 5, 2020, was a major milestone that introduced highly requested features like ownable lowboy trailers and the iconic Freightliner Cascadia®. While it is no longer the current version (the latest is 1.58 as of early 2026), it remains a stable and content-rich build favored by many players.  Key Features of Version 1.39 

New Vehicle: Freightliner Cascadia®: Added as a brand-new truck model available in-game.

Ownable Lowboy Trailers: Players gained the ability to purchase, customize, and use their own lowboy trailers for hauling heavy and oversized cargo.

Launchpad Redesign: The game's startup menu was overhauled to improve navigation and prepare for future game options.

Viewpoints Expansion: New cinematic viewpoints were added to the Washington and Utah DLCs, allowing players to view landmarks with replay and skip functions.

Sound Improvements: Introduced a "Turbo" sound slider and improved spatial mixing for cabin interiors.

Map Compatibility: Released alongside the Colorado map expansion, providing new routes through the Rocky Mountains.  System Requirements for ATS 

To run the full version of ATS comfortably, ensure your PC meets the following specifications:  Component  Minimum Requirements Recommended Requirements OS Windows 7 64-bit Windows 7/8.1/10 64-bit Processor Intel Core i5-6400 / AMD Ryzen 3 1200 Intel Core i5-9600 / AMD Ryzen 5 3600 Memory Graphics NVIDIA GTX 660 / AMD RX 460 (2GB VRAM) NVIDIA GTX 1660 / AMD RX 590 (2GB VRAM) Storage 25 GB available space 25 GB available space   Download and Official Access 

The safest and most reliable way to download the full version of American Truck Simulator is through official platforms.  ATS 1.39 Update Release